CN207021305U - A kind of battery bag sealing structure - Google Patents
A kind of battery bag sealing structure Download PDFInfo
- Publication number
- CN207021305U CN207021305U CN201720789335.5U CN201720789335U CN207021305U CN 207021305 U CN207021305 U CN 207021305U CN 201720789335 U CN201720789335 U CN 201720789335U CN 207021305 U CN207021305 U CN 207021305U
- Authority
- CN
- China
- Prior art keywords
- battery bag
- sealing gasket
- box cover
- sealing
- casing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
A kind of battery bag sealing structure, including：Box cover, battery bag casing, fixing bolt, sealing gasket and nut piece, fixing bolt are fixed after wearing box cover, sealing gasket and battery bag casing successively from top to bottom with nut piece；Sealing gasket is wavy shaped configuration, and the upper surface of sealing gasket is bonded with box cover to be formed the lower surface of the first seal clearance and/or sealing gasket and be bonded to form the second seal clearance with battery bag casing.This technical scheme sealing gasket is wavy shaped configuration, the contact area of sealing gasket and box cover and battery bag casing is not increased only effectively, lift-off seal, sealing gasket can also be reduced aging infringement is reduced during being compressed by box cover and battery bag casing, extend the service life of sealing gasket.
Description
Technical field
Battery bag field is the utility model is related to, more particularly to a kind of battery bag sealing structure.
Background technology
With the development of new-energy automobile, battery bag as new power resources, battery bag typically on car floor,
Condition of work is more severe, and external environment condition can greatly influence security and sealing of battery bag etc..Especially, sealing pair
Particularly important in battery bag, sealing can prevent from damaging battery bag into generation situations such as water by force very well, so electric
This parameter request is extremely strict for sealing by Chi Bao.
In the prior art, typically can be using between the upper lid and lower cover of battery bag for this key issue of sealing
Place elastomeric material, such as sealing gasket.Sealing gasket opens up avoid holes in connecting bolt by place, passes through after connecting bolt fastening
Upper lid and lower cover faying face compression seal pad existing sealing.But this technical scheme existing defects, can not using sealing gasket scheme
Sealing gasket decrement is controlled, sealing gasket is easily overly compressed, and shortens physical life.Upper lid of another prior art in battery bag
Or lower cover opens up sealing gasket groove, sealing gasket is positioned over groove, it is existing although good using such a technical scheme sealing
Some box cover or lower cover are made by sheet metal component, and it is not easy to open up groove in box cover or lower cover
Thing.
Utility model content
The purpose of this utility model is to overcome weak point of the prior art, there is provided a kind of battery bag sealing structure.
The purpose of this utility model is achieved through the following technical solutions：
A kind of battery bag sealing structure, including：Box cover, battery bag casing, fixing bolt, sealing gasket and nut piece,
The fixing bolt wear successively from top to bottom after the box cover, the sealing gasket and the battery bag casing with the spiral shell
Master slice is fixed；
The sealing gasket is wavy shaped configuration, and the upper surface of the sealing gasket is bonded that to form first close with the box cover
Envelope gap and/or the lower surface of the sealing gasket are bonded to form the second seal clearance with the battery bag casing.
In one of the embodiments, the fixing bolt includes installation bolt.
In one of the embodiments, the fixing bolt also includes being used to step up the installation bolt on fixed metal
Packing ring and flat metallic gasket.
In one of the embodiments, the nut piece is fixed with the battery bag welding box body or riveting.
In one of the embodiments, the nut piece is integrally formed with the battery bag casing.
In one of the embodiments, the end of the box cover is provided with a bending mechanism.
In one of the embodiments, the cross section of the bending mechanism is " L " type.
This technical scheme has following beneficial effect compared to prior art：
1. sealing gasket is wavy shaped configuration, do not increase sealing gasket contact with box cover and battery bag casing only effectively
Area, lift-off seal, sealing gasket can also be reduced and reduce aging during being compressed by box cover and battery bag casing
Infringement, extend the service life of sealing gasket.
2. the upper surface of sealing gasket is bonded to form the first seal clearance with box cover, the lower surface of sealing gasket and battery bag
Casing is bonded to form the second seal clearance, and the first seal clearance and the second seal clearance can allow sealing gasket in the process being compacted
In there is plastic space, strengthen the plasticity of sealing gasket.
3. box cover end is provided with " L " type bending mechanism, the sealing of battery bag sealing structure is effectively increased.
Brief description of the drawings
Fig. 1 is the battery bag sealed structural representation in the present embodiment.
Embodiment
For the ease of understanding the utility model, the utility model is more fully retouched below with reference to relevant drawings
State.Better embodiment of the present utility model is given in accompanying drawing.But the utility model can come in many different forms
Realize, however it is not limited to embodiments described herein.On the contrary, the purpose for providing these embodiments is to make to this practicality newly
The more thorough and comprehensive that the disclosure of type understands.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
For illustrative purposes only, it is unique embodiment to be not offered as " right side " and similar statement.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to technology of the present utility model
The implication that the technical staff in domain is generally understood that is identical.It is simply in term used in the description of the present utility model herein
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein " and/or " bag
Include the arbitrary and all combination of the Listed Items of one or more correlations.
It is as shown in Figure 1 battery bag sealed structural representation, including：Box cover 100, battery bag casing 200, fixed spiral shell
Bolt 300, sealing gasket 400 and nut piece 500, the fixing bolt 300 wear the box cover 100, institute successively from top to bottom
Fixed after stating sealing gasket 400 and the battery bag casing 200 with the nut piece 500；
The sealing gasket 400 is wavy shaped configuration, and the upper surface of the sealing gasket 400 is bonded with the box cover 100
The lower surface for forming the first seal clearance 401 and/or the sealing gasket 400 is bonded formation second with the battery bag casing 200
Seal clearance 402.
It should be noted that in the present embodiment, sealing gasket 400 is wavy shaped configuration so that the upper surface of sealing gasket 400
The first seal clearance 401 is formed when being bonded with box cover 100, lower surface is bonded the sealing of formation second with battery bag casing 200
Gap 402.First seal clearance 401 and the second seal clearance 402 cause sealing gasket 400 again by box cover 100 and battery bag
There is plastic space, sealing gasket 400 has more ductility in the compaction process of casing 200；In addition, the design of wavy shaped configuration can be with
Sealing gasket 400 is effectively increased sealing gasket 400 and box cover 100 and the contact surface of battery bag casing 200 during being compacted
Product, improve sealing；Furthermore wavy shaped configuration can reduce the aging infringement during the use of sealing gasket 400, extend sealing
The service life of pad 400.
It should also be noted that, the sealing gasket 400 of wavy shaped configuration, with the surface of box cover 100 and battery bag casing
It will not be influenceed in 200 surface contact processes by the surface of box cover 100 and the surface irregularity of battery bag casing 200.
Also need to especially, it is emphasized that the sealing gasket 400 of wavy shaped configuration, equivalent to the sealing with three small sizes
Ring, the packing ring combination of three small sizes form three-stage wavy shaped configuration sealing gasket 400, substantially increase sealing effectiveness.
Specifically, the fixing bolt 300 includes installation bolt 301.
Specifically, the fixing bolt 300 also includes being used to step up fixed metal washer to the installation bolt 301
302 and flat metallic gasket 303.
It should be noted that in this embodiment, because fixing bolt 300 includes installation bolt 301, metal washer
302 and flat metallic gasket 303 so that installation bolt 301 sequentially pass through from top to bottom metal washer 302, flat metallic gasket 303,
Fixed after box cover 100, sealing gasket 400 and battery bag casing 200 with nut piece 500.
It should also be noted that, in this embodiment, fixing bolt 300 includes installation bolt 301, metal washer 302
With flat metallic gasket 303, being applied in combination for three can be very good to prevent in use to make because vibrations, swing etc. release
Decline into sealing effectiveness, improve the reliability and security of battery bag sealing structure.
Specifically, the nut piece 500 welds or riveted fixation with the battery bag casing 200.
Specifically, the nut piece 500 is integrally formed with the battery bag casing 200.
It should be noted that in actual production process, it can combine and be actually needed nut piece 500 and battery bag casing
200 are designed to be integrally formed, ease of assembly, improve packaging efficiency.In this embodiment, nut piece 500 and Battery case 200
It is welded to connect.
Specifically, the end of the box cover 100 is provided with a bending mechanism 101.
Specifically, the cross section of the bending mechanism 101 is " L " type.
It should be noted that the end of box cover 100 is provided with " L " type bending mechanism 101, can effectively increase
The reliability of battery bag sealing structure sealing effectiveness.
Embodiment described above only expresses several embodiments of the present utility model, and its description is more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent scope.It should be pointed out that the common skill for this area
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (7)
- A kind of 1. battery bag sealing structure, it is characterised in that including：Box cover (100), battery bag casing (200), fixed spiral shell Bolt (300), sealing gasket (400) and nut piece (500), the fixing bolt (300) wear on the casing successively from top to bottom It is fixed with the nut piece (500) afterwards to cover (100), the sealing gasket (400) and the battery bag casing (200)；The sealing gasket (400) is wavy shaped configuration, and upper surface and the box cover (100) of the sealing gasket (400) paste The lower surface for closing the first seal clearance of formation (401) and/or the sealing gasket (400) is bonded with the battery bag casing (200) Form the second seal clearance (402).
- 2. battery bag sealing structure according to claim 1, it is characterised in that the fixing bolt (300) includes installation Bolt (301).
- 3. battery bag sealing structure according to claim 2, it is characterised in that the fixing bolt (300) also includes using In stepping up fixed metal washer (302) and flat metallic gasket (303) to the installation bolt (301).
- 4. the battery bag sealing structure according to any one in claim 1-3, it is characterised in that the nut piece (500) fixed with the battery bag casing (200) welding or riveting.
- 5. the battery bag sealing structure according to any one in claim 1-3, it is characterised in that the nut piece (500) it is integrally formed with the battery bag casing (200).
- 6. battery bag sealing structure according to claim 1, it is characterised in that the end of the box cover (100) is set It is equipped with a bending mechanism (101).
- 7. according to the battery bag sealing structure described in claim 6, it is characterised in that the bending mechanism (101) it is transversal Face is " L " type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720789335.5U CN207021305U (en) | 2017-06-29 | 2017-06-29 | A kind of battery bag sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720789335.5U CN207021305U (en) | 2017-06-29 | 2017-06-29 | A kind of battery bag sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207021305U true CN207021305U (en) | 2018-02-16 |
Family
ID=61483217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720789335.5U Expired - Fee Related CN207021305U (en) | 2017-06-29 | 2017-06-29 | A kind of battery bag sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207021305U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110486470A (en) * | 2019-08-21 | 2019-11-22 | 中材科技（苏州）有限公司 | A kind of sealing connecting structure of composite material casing |
| CN112436216A (en) * | 2020-02-09 | 2021-03-02 | 苏州纬方电子有限公司 | Battery pack shell and manufacturing method thereof |
-
2017
- 2017-06-29 CN CN201720789335.5U patent/CN207021305U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110486470A (en) * | 2019-08-21 | 2019-11-22 | 中材科技（苏州）有限公司 | A kind of sealing connecting structure of composite material casing |
| CN112436216A (en) * | 2020-02-09 | 2021-03-02 | 苏州纬方电子有限公司 | Battery pack shell and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180216 Termination date: 20190629 |